Error while Rman duplication

HI

I have some error while duplicating the database with RMAN, I can't open both the database. Both database showing the same error i don't know what to do. Even I don't know how it reflect orginal database. The following are the errors can one help me out to fix this issue.

RMAN> alter database open resetlogs;

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of alter db command at 09/06/2011 09:17:05
ORA-01152: file 3 was not restored from a sufficiently old backup
ORA-01110: data file 3: 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\SYSAUX01.DBF

Thank you